英语语法分析

In chapter 2, We study a nonautonomous SIS model with age structure.

第二章，提出了具有年龄结构和周期传染率的的SIS模型。

In this paper we shall discuss the criteria of stability for second-order linear nonautonomous, systems using the integral inequality.

本文所考虑的是二阶非定常系统稳定性的积分不等式判别法。

The main results obtained in this paper show that the unique steady state of the nonlinear nonautonomous circuits can be determined by the stability of decomposed matrixes.

结果表明，该类电路的唯一稳态，可以用分解矩阵的稳定性来决定。